Shipping case



April 8 1-924.

Filed April le, 1923 H. R. BLISS SHIPPING CASE 3 Sheets-Sheet 2 ATTORNEX.

Patented Apro 8, 1924 UNETED surr;s

mamar a. emss, or means rA.m.s, NEW YORK.

smrim; caen.

Application filed April 1G, 1923. Serialllo. 832,556.

To all whom it muy concem:

Be it known that I, Hnnnnnr R. Bmss, a citizen of the United States, residing at Niagara Falls, in the county of Niaara and State of New York, have invented certain new and useful Improvements in Shipping Cases, of Which the following is a speci fication.

This invention relatesto a method for sealing fiber shipping cases; it has especial application to fiber shipping cases intended tflo have a butt meeting of the edges of the aps.

In my method of sealing it is possible to secure this by arrangement of the edges of the outer flaps without using relativel long, overlapping flaps on the side wale resulting in a large wastage of material. So far as I am aware, no one has heretofore sealed butt meeting flaps without usi nner flaps that are substantially as wi e as the outer flaps and either meet under the outer flaps or approximate a meeting condition.

In my co-pending application No. 501,620 I have described and claimed a method of sealing fiber shipping cases with what I term an H arrangement of stitches, The arrangement in that application as shown is intendedprmarily for over-lapping flaps; it-is the Object of=the present invention to afl'ord an improvement over the method shown in application No. 501,620 so as to permit the sealing of the flaps by a general H arrangement of stitches although the flaps do not overlap.

The overlapping flaps form a strong sealing arrangement but for some purposes are objectionable as they provide a slight hump in the center of the case due to one flap overlying the other. In, some classes of course, especially where cnveyors are used, and for piling in warehouses and resealing, it is desirable to have a box which has an absolutely flush face. This is aflorded by the butt flaps sealing that is already explained, but so far as I know, this butt flap sealing has only been eflected where relatively long flaps on the end walls have been utilized resulting in a vary large and unnecessary wastage of material.

Referring to the drawings:

Fig. 1 is a perspective view of a shipping case sealed by my improved method.

Fig. 2 is a perspective view of the same before sealing 6-6 of Fig. 3 and 7-7 of Fig. 3 is a plan view showing how the initial stitches are taken, the order in which the stitches are taken being shown by the numerals;

Fig. 4 is a similar plan view showing the second step in the method.

Fig. 5 1s a plan view showing the third Step in the method.

Figs. 6, 7 and 8 are sections on the lines Fig. 4, and 8 -8 of Fig. 4, respectively. Figs. 9, 10, and 11 show alternative method of stitching.

Fig. 12 and Fi 13 are p an views of the main blank an the end blank on a small scale.

The main body blank is shown in Fig. 12, and comprises a bottom wall a, side walls b, and cover wings c. The cover wings are of just suflicient width to meet at the center of the to as shown in Fig. 1. The end blank is s own in plan view in Fig. 13 and comgrises a main body d and sealing flaps e. ide flaps f and bottom flaps g. The side and bottom flaps are adapted to fit around the side walls b and the bottom wall a of the main .body blank as shown in Figs. 1 and 2, and to be stitched thereto by'w1re stitches L. This forms an improved body constructionwhich is no part of the present invention and whibh'has been claimed in my co-pending application No. 514,788. r

The substance o my present invention resides in sealing a Shi ping case which has relatively narrow sea mg flaps at the ends and abutting outer flaps; it is immaterial how the body construction bearin these abutting cover wings and sealing aps is constructed or arranged.

The sealing flaps e are turned in as shown in Fig. 3, the st1tches 1, 2 and 3 are then taken with the aid of an anvil J called a blade anvil by reason of its thinness. Of course, it will be understood that a suitable stitching head of conventional type is employed with this blade anvil or for that matter conceivably the stitches could be driven in by hand so far as the broad conception of my process is concerned.

The o erator then takes a strip of fiber board, w ich I will call a couplmg strip, and later on a concealed coupling strip; this coupling strip k is held b the operator while st1tches 4, 5, 6, 7, 8 an 9 are taken. The operator can then take stitches 10, 11 and 12, which secures the left hand cover plan views of an wing o to the sealing flap e. This completes the first step ofthe method which really involves three sub-steps but is called the first step because the general position of the box With respect to the anvil is not altered. It will be noticed that in taking this step the right hand cover wing is turned back as shown in Fig. 3.

To take the second step of the method the cover wing 0 that has been turned back is turned over so as to overlap the unstitched side of the coupling strip k. The anvil j is then inserted over the sealing flap e and under the coupling strip k and the right hand cover wing o; the stitches 13, 14 and 15 may then be taken and following this, stitches 16, 17, 18, 19 and 20. It will be seen, however, that between stitches 19 and 20 on the cover wing and the sealing flap a sufiicient s ace is left to insert the anvil as shown in ig. 5.

This permits the third step to be taken wherein the anvil is inserted in the opposite end over the sealing flap and under the opposite sealing flap and the right hand cover wing enabling stitches 21, 22 and 23 to be taken.

In Figs. 9, 10 and 11, the same general method is involved except that in step two, the stitching along the coupling stripbegins at the center instead of at the extreme end while in step three the stitching also begins at the center and goes toward the opposite end; it is the same general method and the same general steps are taken.

It will be obv1ous that the stitches taken do not have to be taken in the order set down by the numerals. 'Ine broad novelty of the method resides in the using of a coupling strip and taking the general arrangement of stitches indicated m the specification and shown in the drawings. In its more specific embodiment, this embodies the use of a concealed coupling strip, inside abutting flaps and an H arrangement of stitches when viewed in np|lan, preferably with the center bar of the in the form of a double bar.

What I claim is:

1. A method of sealing shipping cases of fiber board or equivalent material, in which a pair of substantially abutting outer cover wings are provided, and a pair of relatively narrow sealing flaps at the ends in widely spaced relation underlying the cover wings, comprising the fastenin of a coupling strip to both outer abutting aps and the fastening of the outer abutting flaps at the ends to the underlying sealing flaps by inetallic fasteners.

2. A method for sealing shipping cases of fiber board or equivalent mater1al, in which a pair of substantially abutting outer cover wings are provided, and a pair of relatively narrow sealing flaps at the ends in widely spaced relation underlying the cover wings, comprising the fastening of a coupling strip to the underside of both cover wings at their abutting ed es by metallic fasteners, and the fastening 0% the ends of the overlying cover wings to the relatively narrow sealing flaps.

3. A method for sealing shipping cases of fiber board or equivalent material, in which a pair of substantially abutting outer cover wings are provided, and a pair of relatively narrow sealing flaps at the ends in widely spaced relation underlying the cover wings, comprising the turning in of the sealing flaps at the ends of the case, the turning in of one cover wing over the sealing flaps, the securing the .ends of such cover wing to the sealing flaps underlying, the securing of a coupling strip to the underside of the overlying cover wing at its free edge so as to project therefrom, then the turning in of the other cover wing and securing the same to the underlying coupling strip, and also the underlying sealing flaps at the ends of the cover wing.

4. A method for sealing shipping cases of fiber board or equivalent material, in which a pair of substantially abutting outer cover wings are provided, and a pair of relatively narrow sealing flaps at the ends in widely spaced relation underlying the cover wings, comprising the turning in of the narrow sealing flaps at the ends, the turning in of one cover wing to overlie the sealing flaps, the stitching of the end of said cover wing to the underlying sealing flaps, the stitching of a coupling strip to the free edge of the cover wing in such a way as to cause a portion of the coupling strip to project beyond the free edge of the wing, the turning in of the other cover wing to overlap the projecting portion of the coupling strip, and the stitching of said cover wing to the said coupling strip and to the sealing flaps at its ends.

5. A method for sealing shipping cases of fiber board or equivalent material, in which a pair of substantially abutting outer cover wings are provided, and a pair of relatively narrow sealing flaps at the ends in widely spaced relation underlying the cover wings, comprising the turning in the narrow sealing flaps at the ends, the turning in of one cover wing over such sealing flaps, the placing of the blade anvil under the sealing fla s and the cover wing and driving metalhc fasteners through both ends of the cover wingnd the two sealing flaps, and also placing a coupling strip under the free edge of the cover wing with a ortion of the coupling strip projecting yond such free edge and the driving of metallic fasteners through the cover wings. and such coupling strip and clinchirig them with such blade anvil, the removing of the blade anvil and the turning in of the other cover and the o posite sealing flap but leaving an unattac ed space for the withdrawal of the am:il, the insertion of the anvil throu h the opposite end of the case through t e space which has. been left, and the stitching of the cover Wing to-the sealing flap at the opposite end.

6. A method-for 'sealin shipping cases of fiber board or equiva ent material, in which a pair of substantially abutting outer cover Wings are provided, and a air of relatively narrow sealing flaps at t e ends in widely spaced relation underlying the cover wings, comprising the stitchin of the ends of the cover wings to the un erlying sealing flaps and stitching the abutting edges of the cover win to an underlying corlcealed coupling str1 7. A method for seahng shipping cases of fiber board or equivalent material, in which a pair of substantially abutting outer cover wings are provided, and a pair of relatively narrow sealing flaps at the ends in widely spaced relation underlying the cover wings, comprising the turning in of the narrow sealing flaps at the ends, then turning in the cover win one at a time and in such operation wire stitching the cover wings to the end flaps and to an underlying concealed coupling strip extending from the underlying sealing flap at one end to the other underlying sealing flap at the other end along and under the meeting edgs of the cover wings.

In testimony whereof he has aflixed his signature.

HERBERT R. BLISS. 

